.box{
  margin: 20px;
}

.nav span{
  // float: left;
  border: 1px solid rgb(224,224,224);
  background-color: #fff;
  padding: 2px 10px;
  color: rgb(143,145,143);
  cursor: pointer;
}

.nav .active{
  color: rgb(29,79,252);
  border-color: rgb(29,79,252);
}

.line{
  width: 100%;
  height: 46px;
  border-bottom: 1px solid #ccc;
  line-height: 46px;
  display: flex;
  justify-content: space-between;
}